bin laden is dead, but the surge in afghanistan continues. the strategy: >> kill and capture as many as you can. make them ask for peace. >> the hurdles: >> launching those attacks-- are we creating more militants than we're killing? >> and the timeline for getting out. >> it could take years, and i don't think anybody knows. >> "kill/capture"-- a frontline investigation. >> there's much more on the norfolk four case on frontline's web site. >> i certainly thought he was guilty. >> experts explain how easy it is to get a false confession. >> i'm asking a question. are you deaf? >> how it trumps all other evidence, and why most interrogation techniques are legal. and there's more on frontline's web site. watch more than 100 full programs; explore interactive timelines and frontline on facebook and twitter. or join the discussion at pbs.org. >> frontline is made possible by contributions to your pbs station from viewers like you. thank you. and by the corporation for public broadcasting. major funding is provided by the john d. and catherine t.